[llvm-branch-commits] [llvm] [AMDGPU] Enable atomic optimizer for divergent i64 and double values (PR #96934)

[Jay Foad via llvm-branch-commits]

================
@@ -178,6 +178,21 @@ bool AMDGPUAtomicOptimizerImpl::run(Function &F) {
   return Changed;
 }
 
+static bool isOptimizableAtomic(Type *Ty) {
+  switch (Ty->getTypeID()) {
+  case Type::FloatTyID:
+  case Type::DoubleTyID:
+    return true;
+  case Type::IntegerTyID: {
+    unsigned size = Ty->getIntegerBitWidth();
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jayfoad wrote:

```suggestion
    unsigned Size = Ty->getIntegerBitWidth();
```

https://github.com/llvm/llvm-project/pull/96934